wehub-resource-sync
56 lines
2.0 KiB
C++
56 lines
2.0 KiB
C++
/* Copyright 2024 The TensorFlow Authors. All Rights Reserved.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
==============================================================================*/
|
|
#include "tensorflow/compiler/mlir/quantization/common/func.h"
|
|
|
|
#include "mlir/Dialect/Func/IR/FuncOps.h" // from @llvm-project
|
|
#include "mlir/IR/BuiltinOps.h" // from @llvm-project
|
|
#include "mlir/IR/SymbolTable.h" // from @llvm-project
|
|
#include "mlir/Support/LLVM.h" // from @llvm-project
|
|
#include "tensorflow/cc/saved_model/signature_constants.h"
|
|
#include "tensorflow/compiler/mlir/tensorflow/translate/import_model.h"
|
|
|
|
namespace mlir::quant {
|
|
namespace {
|
|
|
|
using ::tensorflow::kDefaultServingSignatureDefKey;
|
|
using ::tensorflow::kImportModelDefaultGraphFuncName;
|
|
|
|
// Returns true iff the function's symbol is public.
|
|
bool IsPublicFuncOp(func::FuncOp func_op) {
|
|
return SymbolTable::getSymbolVisibility(&*func_op) ==
|
|
SymbolTable::Visibility::Public;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
func::FuncOp FindMainFuncOp(ModuleOp module_op) {
|
|
if (const auto main_func_op = module_op.lookupSymbol<func::FuncOp>(
|
|
kImportModelDefaultGraphFuncName);
|
|
main_func_op != nullptr && IsPublicFuncOp(main_func_op)) {
|
|
return main_func_op;
|
|
}
|
|
|
|
if (const auto serving_default_func_op =
|
|
module_op.lookupSymbol<func::FuncOp>(kDefaultServingSignatureDefKey);
|
|
serving_default_func_op != nullptr &&
|
|
IsPublicFuncOp(serving_default_func_op)) {
|
|
return serving_default_func_op;
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
} // namespace mlir::quant
|